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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
1647 |
|
1648 | /** |
1649 | * Fires immediately after a comment is inserted into the database. |
1650 | * |
1651 | * @since 2.8.0 |
1652 | * |
1653 | * @param int $id The comment ID. |
1654 | * @param obj $comment Comment object. |
1655 | */ |
1656 | do_action( 'wp_insert_comment', $id, $comment ); |
1657 |
|
1658 | wp_cache_set( 'last_changed', microtime(), 'comment' ); |
1659 |
|
1660 | return $id; |
1661 | } |
1662 |
|
1663 | /** |
1664 | * Filters and sanitizes comment data. |
1665 | * |